# File lib/fog/aws/data_pipeline.rb, line 59
        def stringify_keys(object)
          case object
          when Hash
            object.inject({}) { |h,(k,v)| h[k.to_s] = stringify_keys(v); h }
          when Array
            object.map { |v| stringify_keys(v) }
          else
            object
          end
        end